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Measurements of standard 7.5 cartridges loaded with 95 gr (6.2 g) bullets showed a muzzle velocity of 2,000 ft/s (610 m/s) out of a 5.3 in (13.46 cm) barrel equal to 4 in (10.16 cm) of free bore and a muzzle energy of 845 foot-pounds force (1,146 J), [4] which is almost 50% higher than the 357 magnum 125 grain JHP when using premium quality ...
The 7.5×55mm Swiss or 7,5mm GP 11 (or unofficially 7.5×55mm Schmidt–Rubin) is a cartridge developed for the Swiss Army. It originated from the Gewehrpatrone 1890 (7.5×53.5mm) developed in 1889 by mechanical engineer Lt. Col. Eduard Rubin for rifles based on Rudolf Schmidt's action design. The 7.5×55mm Swiss GP 11 cartridge is similar in ...
The 7.5×54mm French, 7.5 French, or 7.5 MAS (designated as the 7,5 × 54 MAS by the C.I.P. [1]) is a rimless bottlenecked rifle cartridge. It was developed by France as an update to the 7.5×57mm MAS mod. 1924 cartridge. It replaced the obsolete 8×50mmR Lebel round used during World War I, and served as the French service cartridge until ...
The French scale, French gauge or Charrière system is commonly used to measure the size of a catheter. It is most often abbreviated as Fr, but can often be seen abbreviated as Fg, FR or F. It may also be abbreviated as CH or Ch (for Charrière, its inventor). However, simply gauge, G or GA generally refers to Birmingham gauge.
The basic unit of insulation coefficient is the RSI, (1 m 2 ⋅K/W). 1 tog = 0.1 RSI. There is also a US clothing unit, the clo, equivalent to 0.155 RSI or 1.55 tog, described in ASTM D-1518. [3] A tog is 0.1⋅m 2 ⋅K/W. In other words, the thermal resistance in togs is equal to ten times the temperature difference (in °C) between the two ...
One boiler horsepower is equal to the thermal energy rate required to evaporate 34.5 pounds (15.6 kg) of fresh water at 212 °F (100 °C) in one hour. In the early days of steam use, the boiler horsepower was roughly comparable to the horsepower of engines fed by the boiler. [23]
The 7.65×53mm Argentine has 3.70 ml (57.1 grains H 2 O) cartridge case capacity. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under extreme conditions. 7.65×53mm Argentine maximum C.I.P. cartridge dimensions. All sizes in millimeters (mm).
7 mm caliber. Example of a 7 mm cartridge, a .32 S&W. « 6 mm. Firearm cartridges. 8 mm ». This is a list of firearm cartridges which have bullets in the 7.00 to 7.99 millimetres (0.2756 to 0.3146 in) caliber range. Length refers to the cartridge case length. OAL refers to the overall length of the cartridge. All measurements are in mm (in).